# Real Monasterio de San Lorenzo de El Escorial, Madrid, España, 2025-12-30, DD 16-18 HDR

- By: Diego Delso
- Date: 2025-12-30
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Real_Monasterio_de_San_Lorenzo_de_El_Escorial,_Madrid,_Espa%C3%B1a,_2025-12-30,_DD_16-18_HDR.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/b/b9/Real_Monasterio_de_San_Lorenzo_de_El_Escorial%2C_Madrid%2C_Espa%C3%B1a%2C_2025-12-30%2C_DD_16-18_HDR.jpg/1920px-Real_Monasterio_de_San_Lorenzo_de_El_Escorial%2C_Madrid%2C_Espa%C3%B1a%2C_2025-12-30%2C_DD_16-18_HDR.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Library of the Monastery of San Lorenzo de El Escorial, Madrid, Spain. The Royal Library has more than 40,000 volumes, located in a great hall 54 metres (177 ft) in length, 9 metres (30 ft) wide, and 10 metres (33 ft) tall, with marble floors and beautifully carved wood shelves. The vault of the library's ceiling is decorated with frescoes, painted by Pellegrino Tibaldi, depicting the seven liberal arts: grammar, rhetoric, dialectic, music, arithmetic, geometry, and astronomy.